The integration of emerging technologies in healthcare, particularly through the Internet of Medical Things (IoMT), blockchain, and data compression, has revolutionized the management and sharing of electronic medical records (EMRs). Despite their benefits in improving service quality and reducing costs, existing systems face challenges such as data silos, privacy breaches, and inefficient interoperability. The study employed secondary method of data outlining explorative review of publications (2022-2025) in this field of study using databases such as IEEE Xplore, PubMed, Google Scholar, Scopus. This review explores the design of a secure, decentralized, and compressed data-sharing model for the healthcare sector using blockchain technology. Emphasizing confidentiality, integrity, and accessibility, the study identifies major gaps in current practices, especially in data management, interoperability, and security. It further underscores the vital role of blockchain in ensuring data non-tamperability and decentralization. This review highlights the application of compression algorithms and cryptographic techniques significantly enhances the efficiency and security of patient data transmission and storage. Moreover, the study critiques the limited contextual relevance of existing literature to African healthcare realities and calls for more localized, pedagogically focused and methodologically diverse research. The enhanced framework aims to address the dual need for security and interoperability in healthcare data sharing.
Joel et al. (Tue,) studied this question.
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